You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.0 KiB
C
57 lines
1.0 KiB
C
#include <unistd.h>
|
|
#ifdef __MINGW32__
|
|
#include <windows.h>
|
|
#else
|
|
#include <poll.h>
|
|
#endif
|
|
#include <errno.h>
|
|
#include "io_internal.h"
|
|
|
|
#ifdef __MINGW32__
|
|
|
|
int64 io_waitwrite(int64 d,const char* buf,int64 len) {
|
|
long r;
|
|
io_entry* e=iarray_get(&io_fds,d);
|
|
if (!e) { errno=EBADF; return -3; }
|
|
if (e->nonblock) {
|
|
unsigned long i=0;
|
|
ioctlsocket(d, FIONBIO, &i);
|
|
}
|
|
r=write(d,buf,len);
|
|
if (e->nonblock) {
|
|
unsigned long i=1;
|
|
ioctlsocket(d, FIONBIO, &i);
|
|
}
|
|
if (r==-1)
|
|
r=-3;
|
|
return r;
|
|
}
|
|
|
|
#else
|
|
|
|
int64 io_waitwrite(int64 d,const char* buf,int64 len) {
|
|
long r;
|
|
struct pollfd p;
|
|
io_entry* e=iarray_get(&io_fds,d);
|
|
io_sigpipe();
|
|
if (!e) { errno=EBADF; return -3; }
|
|
if (e->nonblock) {
|
|
again:
|
|
p.fd=d;
|
|
if (p.fd != d) { errno=EBADF; return -3; } /* catch overflow */
|
|
p.events=POLLOUT;
|
|
switch (poll(&p,1,-1)) {
|
|
case -1: if (errno==EAGAIN) goto again; return -3;
|
|
}
|
|
}
|
|
r=write(d,buf,len);
|
|
if (r==-1) {
|
|
if (errno==EAGAIN)
|
|
goto again;
|
|
r=-3;
|
|
}
|
|
return r;
|
|
}
|
|
|
|
#endif
|